2004-10-30/2019-09-28 - From the OHS PC Database, derived from A Guide to North American Organbuilders, rev. ed., by David H. Fox (Organ Historical Society, 1997). - Patent awarded to Joseph A. Hohos, Falls Church, Virginia, 1965. Patent #3,187,618; June 8, 1965; combination stop action. Source: Information taken from the text of a United States patent.
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